diff --git a/MANIFEST.md b/MANIFEST.md
index 8ffc210..0495eae 100644
--- a/MANIFEST.md
+++ b/MANIFEST.md
@@ -1,17 +1,16 @@
 title: gr-ieee802-11
-author:
-  - Bastian Bloessl <bloessl@ccs-labs.org>
-copyright_owner:
-  - Bastian Bloessl
-dependencies:
-  - gnuradio (>= 3.7.4)
-repo: https://github.com/bastibl/gr-ieee802-11.git
+brief: IEEE 802.11 a/g/p Transceiver
 tags:
   - IEEE 802.11
   - WiFi
   - OFDM
+author:
+  - Bastian Bloessl <bloessl@ccs-labs.org>
+copyright_owner:
+  - Bastian Bloessl
+repo: https://github.com/bastibl/gr-ieee802-11.git
 website: http://www.ccs-labs.org/projects/wime/
-brief: IEEE 802.11 a/g/p Transceiver
 icon: http://www.ccs-labs.org/projects/wime/wime.png
+gr_supported_version: v3.7, v3.8, v3.9
 ---
 This an IEEE 802.11 a/g/p transceiver for GNU Radio v3.7. Over the air, I tested it with the Ettus USRP N210 with XCVR2450 and CBX daughterboards. For interoperability tests I use mainly an Atheros (ath5k) WiFi card. The code can also be used for packet error rate simulations.
diff --git a/README.md b/README.md
index 9552654..3b17a2f 100644
--- a/README.md
+++ b/README.md
@@ -18,11 +18,10 @@ simulations.
 
 # Development
 
-Like GNU Radio, this module uses *master* and *maint* branches for development.
+Like GNU Radio, this module uses *maint* branches for development.
 These branches are supposed to be used with the corresponding GNU Radio
 branches. This means: the *maint-3.7* branch is compatible with GNU Radio 3.7,
-*maint-3.8* is compatible with GNU Radio 3.8, and *master* is compatible with
-GNU Radio master, which tracks the development towards GNU Radio 3.9.
+*maint-3.8* is compatible with GNU Radio 3.8, etc.
 
 
 # Installation